*{
    margin: 0;
    padding: 0;
}
html,body,.container-fluid{
    height: 100%;
}
.header{
    height: 70px;
    width: 100%;
    background: #1296db;
    /* display: flex; */
    position: relative;
    /* justify-content: space-between; */
}
#u281 {
    border-width: 0px;
    position: absolute;
    left: 25px;
    top: 15px;
    width: 40px;
    height: 40px;
    display: flex;
}
#u283 {
    border-width: 0px;
    position: absolute;
    left: 79px;
    top: 13px;
    width: 220px;
    height: 30px;
    display: flex;
    font-family: 'Arial-BoldMT', 'Arial Bold', 'Arial';
    font-weight: 700;
    font-style: normal;
    font-size: 22px;
    color: rgba(255, 255, 255, 0.8);
}
#u282 {
    border-width: 0px;
    position: absolute;
    left: 79px;
    top: 42px;
    width: 232px;
    height: 18px;
    display: flex;
    font-family: 'ArialMT', 'Arial';
    font-weight: 400;
    font-style: normal;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}
#u273 {
    border-width: 0px;
    position: absolute;
    right: 70px;
    top: 15px;
    width: 40px;
    height: 40px;
    display: flex;
}
#u272 {
    border-width: 0px;
    position: absolute;
    right: 16px;
    top: 34px;
    width: 8px;
    height: 5px;
    display: flex;
    color: #FFFFFF;
}
#u271 {
    border-width: 0px;
    position: absolute;
    right: 28px;
    top: 22px;
    display: flex;
    font-size: 13px;
    color: #FFFFFF;
    line-height: 28px;
}
#u276 {
    border-width: 0px;
    position: absolute;
    right: 210px;
    top: 22px;
    width: 53px;
    height: 16px;
    display: flex;
    font-family: 'PingFangSC-Regular', 'PingFang SC';
    font-weight: 400;
    font-style: normal;
    font-size: 12px;
    color: #FDFDFD;
}
#u277 {
    border-width: 0px;
    position: absolute;
    right: 215px;
    top: 37px;
    width: 48px;
    height: 16px;
    display: flex;
    font-family: 'ArialMT', 'Arial';
    font-weight: 400;
    font-style: normal;
    font-size: 12px;
    color: #FFFFFF;
}
#u278 {
    border-width: 0px;
    position: absolute;
    right: 208px;
    top: 22px;
    width: 2px;
    height: 30px;
    display: flex;
}
#u279 {
    border-width: 0px;
    position: absolute;
    right: 165px;
    top: 22px;
    width: 36px;
    height: 16px;
    display: flex;
    font-family: 'PingFangSC-Regular', 'PingFang SC';
    font-weight: 400;
    font-style: normal;
    font-size: 12px;
    color: #F9F9F9;
}
#u280 {
    border-width: 0px;
    position: absolute;
    right: 154px;
    top: 37px;
    width: 47px;
    height: 16px;
    display: flex;
    font-family: 'ArialMT', 'Arial';
    font-weight: 400;
    font-style: normal;
    font-size: 12px;
    color: #FFFEFE;
}
#nav{
    /* position: absolute; */
    width: 250px;
    background: #fcfcfc;
    overflow: scroll;
    overflow-x: hidden;
    overflow-y: scroll;
    
}

#u35 {
    border-width: 0px;
    width: 250px;
    height: 50px;
    display: flex;
    font-family: 'PingFangSC-Regular', 'PingFang SC';
    font-weight: 400;
    font-style: normal;
    font-size: 14px;
    color: #999999;
    text-align: left;
    background-color: rgba(249, 249, 249, 1);
    box-sizing: border-box;
    border-width: 1px;
    border-style: solid;
    border-color: rgba(242, 242, 242, 1);
    position: relative;
    cursor: pointer;
}
#u35 .text {
    /* position: absolute; */
    align-self: center;
    padding: 2px 2px 2px 30px;
    box-sizing: border-box;
    width: 100%;
}
.text span:hover{
    color: rgb(0, 121, 254);
}
#u36 {
    border-width: 0px;
    position: absolute;
    left: 215px;
    top: 21px;
    width: 15px;
    height: 9px;
    display: flex;
    color: #999999;
}
#ul1{
    border-width: 0px;
    width: 250px;
    height: auto;
    font-family: 'PingFangSC-Regular', 'PingFang SC';
    font-weight: 400;
    font-style: normal;
    text-align: left;
    cursor: pointer;
    display: none;
}
#ul1 li{
    width: 250px;
    height: 50px;
    background-color: rgba(225, 239, 255, 1);
    box-sizing: border-box;
    border-width: 1px;
    border-style: solid;
    border-color: rgba(242, 242, 242, 1);
    align-self: center;
    padding: 13px 2px 2px 50px;
    cursor: pointer;
}
#ul1 li:hover{
    color: rgb(0, 121, 254);
}
.di{
    /* position: absolute; */
    display: flex;
    height: calc(100vh - 76px);
}
.de{
    flex: 1;
    height: 100%
}
.de iframe{
    width: 100%;
    height: 100%;
}
#nav::-webkit-scrollbar {
    display: none;
}